Determine the x-intercept(s) of the quadratic function f(x) = x²-3x-18
a. (6, 0), (-3, 0)
Mathematics
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Find the interval of convergence of the series.
A. x ? 8 B. 6 ? x ? 8 C. -113 ? x ? 127 D. -? < x < ?
Mathematics
Solve the rational inequality. Write the solution set in interval notation.
? 0
A. 
? (7, ?)
B. 
C. 
? [7, ?)
D. 
Mathematics
Solve the problem.Suppose the following matrix represents the input-output matrix of a primitive economy. How much of each commodity should be produced to produce 5 bushels of yams and 1 pigs?
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Mathematics
Combine like terms.
p - 
p
A. 4p2
B. 4p
C. - 
p
D. - 
p2
Mathematics